diff options
| author | Chris Forbes <[email protected]> | 2013-10-28 04:18:29 +1300 |
|---|---|---|
| committer | Chris Forbes <[email protected]> | 2013-11-06 19:29:49 +1300 |
| commit | ca82ba90dd7ef78be2b95972dc19913c76d5e6a8 (patch) | |
| tree | 0841d9b5077637364e724d0547899f736d04c2d7 | |
| parent | 1080fc610ef20e376c3a54b3cee2be911df9f012 (diff) | |
i965/fs: Gen4-5: Setup discard masks for MRT alpha test
The same setup is required here as when the user-provided shader
explicitly uses KIL or discard.
Signed-off-by: Chris Forbes <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 2 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_generator.cpp | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index c332d4cbb53..cd806c77c41 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -3228,7 +3228,7 @@ fs_visitor::run() /* We handle discards by keeping track of the still-live pixels in f0.1. * Initialize it with the dispatched pixels. */ - if (fp->UsesKill) { + if (fp->UsesKill || c->key.alpha_test_func) { fs_inst *discard_init = emit(FS_OPCODE_MOV_DISPATCH_TO_FLAGS); discard_init->flag_subreg = 1; } diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp index 63ac53062b2..6678553ee25 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp @@ -116,7 +116,7 @@ fs_generator::generate_fb_write(fs_inst *inst) brw_set_mask_control(p, BRW_MASK_DISABLE); brw_set_compression_control(p, BRW_COMPRESSION_NONE); - if (fp->UsesKill) { + if (fp->UsesKill || c->key.alpha_test_func) { struct brw_reg pixel_mask; if (brw->gen >= 6) |